volume 109, issue 2, P449-456 1982
DOI: 10.1002/pssb.2221090202
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M. V. Medvedev,
M. V. Sadovskii

Abstract: The free energy of random site Ising model with competing exchange interactions of nearest neighbours is studied with the use of high-temperature expansions in the self-avoiding walk approximation. Conditions for the instability of the paramagnetic state are determined by the convergence criterion of the random high-temperature series. The possibility of a concentration interval with the absence of the long-range magnetic order is studied for different 2d and 3d lattices. MccnenyeTca C B O~O~H~R a~e p r n a …

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